Home / 8,920.60-13,380.36-3,373.85

Finding the Fourth Proportional to 8,920.60, 13,380.36 and 3,373.85

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Solution

The fourth proportional to 8,920.60, 13,380.36 and 3,373.85 is: 5,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.60 : 13,380.36 = 3,373.85 : x
  2. Step 2: Convert to fraction form
    8,920.60/13,380.36 = 3,373.85/x
  3. Step 3: Cross multiply
    8,920.60x = 13,380.36 × 3,373.85
  4. Step 4: Simplify right side
    8,920.60x = 45,143,348.38
  5. Step 5: Solve for x
    x = 45,143,348.38/8,920.60
  6. Step 6: Final answer
    x = 5,060.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.